Study on the Age and Growth of Pseudosciaena polyactis in the South of the Yellow Sea and the North of the East China Sea

Based on the data of about 400 samples of Pseudosciaena polyactis from Lusi fishing ground and Zhoushan fishing ground,on the body length,body weight,pure body weight,age,and so on,combined with the investigation data in the fishing practice,the study was carried out on the age structure and growth reality,and at the mean-time,on their the changing rule of Pseudosciaena polyactis by comparing them with those before.